News

  1. Anthropology

    Hybrid-Driven Evolution: Genomes show complexity of human-chimp split

    A controversial new genetic comparison suggests that human and chimpanzee ancestors interbred for several million years before evolving into reproductively separate species no more than 6.3 million years ago.

    By Bruce Bower
  2. Materials Science

    Feeling cagey

    Researchers have discovered that gold can take the shape of nanoscale, hollow cages.

    By Aimee Cunningham
  3. Astronomy

    Safe from a Heavenly Doom: Gamma-ray bursts not a threat to Earth

    Gamma-ray bursts are likely to occur in the Milky Way.

    By Ron Cowen
  4. Health & Medicine

    Bug Zapper: Novel drug kills resistant bacteria

    A newly recognized compound can wipe out some of the most troublesome antibiotic-resistant bacteria, lab tests show.